Abstract
A φ-OFDR system based on optical phase-locked loop is proposed to suppress laser frequency drift noise. The results demonstrate a significant improvement of 16.1 dB in the signal-to-noise ratio (SNR) of the demodulated strain signal at 0.1 Hz compared with open-loop state.
Original language | English |
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DOIs | |
Publication status | Published - 2023 |
Event | 28th International Conference on Optical Fiber Sensors, OFS 2023 - Naka-ku, Hamamatsu-shi, Japan Duration: 20 Nov 2023 → 24 Nov 2023 |
Conference
Conference | 28th International Conference on Optical Fiber Sensors, OFS 2023 |
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Country/Territory | Japan |
City | Naka-ku, Hamamatsu-shi |
Period | 20/11/23 → 24/11/23 |